Final UI V3

# UI V3 Changelog

Major updates and improvements in this release:

## Core Changes
- Complete NEW REWRITTEN UI system overhaul (V3) with semantic design tokens
- New settings management system with drag-and-drop capabilities
- Enhanced provider system supporting multiple AI services
- Improved theme system with better dark mode support
- New component library with consistent design patterns

## Technical Updates
- Reorganized project architecture for better maintainability
- Performance optimizations and bundle size improvements
- Enhanced security features and access controls
- Improved developer experience with better tooling
- Comprehensive testing infrastructure

## New Features
- Background rays effect for improved visual feedback
- Advanced tab management system
- Automatic and manual update support
- Enhanced error handling and visualization
- Improved accessibility across all components

For detailed information about all changes and improvements, please see the full changelog.

app/routes/api.health.ts

@@ -0,0 +1,18 @@
+import type { LoaderFunctionArgs } from '@remix-run/node';
+
+export const loader = async ({ request: _request }: LoaderFunctionArgs) => {
+  // Return a simple 200 OK response with some basic health information
+  return new Response(
+    JSON.stringify({
+      status: 'healthy',
+      timestamp: new Date().toISOString(),
+      uptime: process.uptime(),
+    }),
+    {
+      status: 200,
+      headers: {
+        'Content-Type': 'application/json',
+      },
+    },
+  );
+};